v0.1.3

- fixed properly error msg when path to xowa_PLATFORM.jar is invaild
(e.g. == "" - default value)
- added java non-existence error msg
- added support for override the addon prefs by extarnal app that pack
xpi - by file chrome\content\prefs-to-override.properties
v0.1.4

- added options
- changed button labels on error page ("Reload page" and "Restart XOWA
and reload page")
- menu: added options and help items